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From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
To: clemens@ladisch.de, tiwai@suse.de, perex@perex.cz
Cc: alsa-devel@alsa-project.org,
	linux1394-devel@lists.sourceforge.net, ffado-devel@lists.sf.net
Subject: [PATCH 18/44] fireworks: Add connection and stream management
Date: Fri, 21 Mar 2014 20:10:03 +0900	[thread overview]
Message-ID: <1395400229-22957-19-git-send-email-o-takashi@sakamocchi.jp> (raw)
In-Reply-To: <1395400229-22957-1-git-send-email-o-takashi@sakamocchi.jp>

Fireworks manages connections by CMP and can transmit/receive AMDTP streams
with a few quirks. This commit adds functionality to start/stop the streams.

Major Fireworks products don't support 'SYT-Match' modes, except for
AudioFire12/8(till 2009 July) with firmware version 1.0. Already in previous
commit, this driver don't support such old firmwares. So this commit adds
support for non 'SYT-Match' modes.

I note that this driver has a short gap for MIDI streams when starting PCM
stream. When AMDTP streams are running only for MIDI data and PCM data is
going to be joined at different sampling rate, then AMDTP streams are
stopped once and started again after changing sampling rate.

Unfortunately, Fireworks is not fully compliant to IEC 61883-1/6. Some commits
following to this commit add these quirks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
 sound/firewire/fireworks/Makefile           |   3 +-
 sound/firewire/fireworks/fireworks.c        |  45 ++++
 sound/firewire/fireworks/fireworks.h        |  28 +++
 sound/firewire/fireworks/fireworks_stream.c | 331 ++++++++++++++++++++++++++++
 4 files changed, 406 insertions(+), 1 deletion(-)
 create mode 100644 sound/firewire/fireworks/fireworks_stream.c

diff --git a/sound/firewire/fireworks/Makefile b/sound/firewire/fireworks/Makefile
index a6ce214..1bccb65 100644
--- a/sound/firewire/fireworks/Makefile
+++ b/sound/firewire/fireworks/Makefile
@@ -1,2 +1,3 @@
-snd-fireworks-objs := fireworks_transaction.o fireworks_command.o fireworks.o
+snd-fireworks-objs := fireworks_transaction.o fireworks_command.o \
+		      fireworks_stream.o fireworks.o
 obj-m += snd-fireworks.o
diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c
index c7e7f46..af83204 100644
--- a/sound/firewire/fireworks/fireworks.c
+++ b/sound/firewire/fireworks/fireworks.c
@@ -96,6 +96,42 @@ get_hardware_info(struct snd_efw *efw)
 
 	if (hwinfo->flags & BIT(FLAG_RESP_ADDR_CHANGABLE))
 		efw->resp_addr_changable = true;
+
+	efw->supported_sampling_rate = 0;
+	if ((hwinfo->min_sample_rate <= 22050)
+	 && (22050 <= hwinfo->max_sample_rate))
+		efw->supported_sampling_rate |= SNDRV_PCM_RATE_22050;
+	if ((hwinfo->min_sample_rate <= 32000)
+	 && (32000 <= hwinfo->max_sample_rate))
+		efw->supported_sampling_rate |= SNDRV_PCM_RATE_32000;
+	if ((hwinfo->min_sample_rate <= 44100)
+	 && (44100 <= hwinfo->max_sample_rate))
+		efw->supported_sampling_rate |= SNDRV_PCM_RATE_44100;
+	if ((hwinfo->min_sample_rate <= 48000)
+	 && (48000 <= hwinfo->max_sample_rate))
+		efw->supported_sampling_rate |= SNDRV_PCM_RATE_48000;
+	if ((hwinfo->min_sample_rate <= 88200)
+	 && (88200 <= hwinfo->max_sample_rate))
+		efw->supported_sampling_rate |= SNDRV_PCM_RATE_88200;
+	if ((hwinfo->min_sample_rate <= 96000)
+	 && (96000 <= hwinfo->max_sample_rate))
+		efw->supported_sampling_rate |= SNDRV_PCM_RATE_96000;
+	if ((hwinfo->min_sample_rate <= 176400)
+	 && (176400 <= hwinfo->max_sample_rate))
+		efw->supported_sampling_rate |= SNDRV_PCM_RATE_176400;
+	if ((hwinfo->min_sample_rate <= 192000)
+	 && (192000 <= hwinfo->max_sample_rate))
+		efw->supported_sampling_rate |= SNDRV_PCM_RATE_192000;
+
+	efw->midi_out_ports = hwinfo->midi_out_ports;
+	efw->midi_in_ports = hwinfo->midi_in_ports;
+
+	efw->pcm_capture_channels[0] = hwinfo->amdtp_tx_pcm_channels;
+	efw->pcm_capture_channels[1] = hwinfo->amdtp_tx_pcm_channels_2x;
+	efw->pcm_capture_channels[2] = hwinfo->amdtp_tx_pcm_channels_4x;
+	efw->pcm_playback_channels[0] = hwinfo->amdtp_rx_pcm_channels;
+	efw->pcm_playback_channels[1] = hwinfo->amdtp_rx_pcm_channels_2x;
+	efw->pcm_playback_channels[2] = hwinfo->amdtp_rx_pcm_channels_4x;
 end:
 	kfree(hwinfo);
 	return err;
@@ -153,6 +189,10 @@ efw_probe(struct fw_unit *unit,
 	if (err < 0)
 		goto error;
 
+	err = snd_efw_stream_init_duplex(efw);
+	if (err < 0)
+		goto error;
+
 	err = snd_card_register(card);
 	if (err < 0)
 		goto error;
@@ -170,12 +210,17 @@ error:
 static void efw_update(struct fw_unit *unit)
 {
 	struct snd_efw *efw = dev_get_drvdata(&unit->device);
+
 	snd_efw_transaction_bus_reset(efw->unit);
+	snd_efw_stream_update_duplex(efw);
 }
 
 static void efw_remove(struct fw_unit *unit)
 {
 	struct snd_efw *efw = dev_get_drvdata(&unit->device);
+
+	snd_efw_stream_destroy_duplex(efw);
+
 	snd_card_disconnect(efw->card);
 	snd_card_free_when_closed(efw->card);
 }
diff --git a/sound/firewire/fireworks/fireworks.h b/sound/firewire/fireworks/fireworks.h
index 751302d..c022c71 100644
--- a/sound/firewire/fireworks/fireworks.h
+++ b/sound/firewire/fireworks/fireworks.h
@@ -22,9 +22,15 @@
 #include <sound/initval.h>
 #include <sound/pcm.h>
 
+#include "../packets-buffer.h"
+#include "../iso-resources.h"
+#include "../amdtp.h"
 #include "../cmp.h"
 #include "../lib.h"
 
+#define SND_EFW_MAX_MIDI_OUT_PORTS	2
+#define SND_EFW_MAX_MIDI_IN_PORTS	2
+
 #define SND_EFW_MUITIPLIER_MODES	3
 #define HWINFO_NAME_SIZE_BYTES		32
 #define HWINFO_MAX_CAPS_GROUPS		8
@@ -45,6 +51,20 @@ struct snd_efw {
 	/* for transaction */
 	u32 seqnum;
 	bool resp_addr_changable;
+
+	unsigned int midi_in_ports;
+	unsigned int midi_out_ports;
+
+	unsigned int supported_sampling_rate;
+	unsigned int pcm_capture_channels[SND_EFW_MUITIPLIER_MODES];
+	unsigned int pcm_playback_channels[SND_EFW_MUITIPLIER_MODES];
+
+	struct amdtp_stream tx_stream;
+	struct amdtp_stream rx_stream;
+	struct cmp_connection out_conn;
+	struct cmp_connection in_conn;
+	unsigned int capture_substreams;
+	unsigned int playback_substreams;
 };
 
 struct snd_efw_transaction {
@@ -150,6 +170,14 @@ int snd_efw_command_set_clock_source(struct snd_efw *efw,
 int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate);
 int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate);
 
+int snd_efw_stream_init_duplex(struct snd_efw *efw);
+int snd_efw_stream_start_duplex(struct snd_efw *efw,
+				struct amdtp_stream *request,
+				int sampling_rate);
+int snd_efw_stream_stop_duplex(struct snd_efw *efw);
+void snd_efw_stream_update_duplex(struct snd_efw *efw);
+void snd_efw_stream_destroy_duplex(struct snd_efw *efw);
+
 #define SND_EFW_DEV_ENTRY(vendor, model) \
 { \
 	.match_flags	= IEEE1394_MATCH_VENDOR_ID | \
diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c
new file mode 100644
index 0000000..f41aee4
--- /dev/null
+++ b/sound/firewire/fireworks/fireworks_stream.c
@@ -0,0 +1,331 @@
+/*
+ * fireworks_stream.c - a part of driver for Fireworks based devices
+ *
+ * Copyright (c) 2013 Takashi Sakamoto
+ *
+ * Licensed under the terms of the GNU General Public License, version 2.
+ */
+#include "./fireworks.h"
+
+#define CALLBACK_TIMEOUT	100
+
+static unsigned int freq_table[] = {
+	/* multiplier mode 0 */
+	[0] = 32000,
+	[1] = 44100,
+	[2] = 48000,
+	/* multiplier mode 1 */
+	[3] = 88200,
+	[4] = 96000,
+	/* multiplier mode 2 */
+	[5] = 176400,
+	[6] = 192000,
+};
+
+static inline unsigned int
+get_multiplier_mode_with_index(unsigned int index)
+{
+	return ((int)index - 1) / 2;
+}
+
+int snd_efw_get_multiplier_mode(unsigned int sampling_rate, unsigned int *mode)
+{
+	unsigned int i;
+
+	for (i = 0; i < sizeof(freq_table); i++) {
+		if (freq_table[i] == sampling_rate) {
+			*mode = get_multiplier_mode_with_index(i);
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static int
+init_stream(struct snd_efw *efw, struct amdtp_stream *stream)
+{
+	struct cmp_connection *conn;
+	enum cmp_direction c_dir;
+	enum amdtp_stream_direction s_dir;
+	int err;
+
+	if (stream == &efw->tx_stream) {
+		conn = &efw->out_conn;
+		c_dir = CMP_OUTPUT;
+		s_dir = AMDTP_IN_STREAM;
+	} else {
+		conn = &efw->in_conn;
+		c_dir = CMP_INPUT;
+		s_dir = AMDTP_OUT_STREAM;
+	}
+
+	err = cmp_connection_init(conn, efw->unit, c_dir, 0);
+	if (err < 0)
+		goto end;
+
+	err = amdtp_stream_init(stream, efw->unit, s_dir, CIP_BLOCKING);
+	if (err < 0)
+		cmp_connection_destroy(conn);
+end:
+	return err;
+}
+
+static void
+stop_stream(struct snd_efw *efw, struct amdtp_stream *stream)
+{
+	amdtp_stream_stop(stream);
+
+	if (stream == &efw->tx_stream)
+		cmp_connection_break(&efw->out_conn);
+	else
+		cmp_connection_break(&efw->in_conn);
+}
+
+static int
+start_stream(struct snd_efw *efw, struct amdtp_stream *stream,
+	     unsigned int sampling_rate)
+{
+	struct cmp_connection *conn;
+	unsigned int mode, pcm_channels, midi_ports;
+	int err;
+
+	err = snd_efw_get_multiplier_mode(sampling_rate, &mode);
+	if (err < 0)
+		goto end;
+	if (stream == &efw->tx_stream) {
+		conn = &efw->out_conn;
+		pcm_channels = efw->pcm_capture_channels[mode];
+		midi_ports = efw->midi_out_ports;
+	} else {
+		conn = &efw->in_conn;
+		pcm_channels = efw->pcm_playback_channels[mode];
+		midi_ports = efw->midi_in_ports;
+	}
+
+	amdtp_stream_set_parameters(stream, sampling_rate,
+				    pcm_channels, midi_ports);
+
+	/*  establish connection via CMP */
+	err = cmp_connection_establish(conn,
+				amdtp_stream_get_max_payload(stream));
+	if (err < 0)
+		goto end;
+
+	/* start amdtp stream */
+	err = amdtp_stream_start(stream,
+				 conn->resources.channel,
+				 conn->speed);
+	if (err < 0)
+		stop_stream(efw, stream);
+
+	/* wait first callback */
+	if (!amdtp_stream_wait_callback(stream, CALLBACK_TIMEOUT)) {
+		stop_stream(efw, stream);
+		err = -ETIMEDOUT;
+	}
+end:
+	return err;
+}
+
+static int
+get_roles(struct snd_efw *efw, enum cip_flags *sync_mode,
+	  struct amdtp_stream **master, struct amdtp_stream **slave)
+{
+	enum snd_efw_clock_source clock_source;
+	int err;
+
+	err = snd_efw_command_get_clock_source(efw, &clock_source);
+	if (err < 0)
+		goto end;
+
+	if (clock_source != SND_EFW_CLOCK_SOURCE_SYTMATCH) {
+		*master = &efw->tx_stream;
+		*slave = &efw->rx_stream;
+		*sync_mode = CIP_SYNC_TO_DEVICE;
+	} else {
+		err = -ENOSYS;
+	}
+end:
+	return err;
+}
+
+static int
+check_connection_used_by_others(struct snd_efw *efw, struct amdtp_stream *s)
+{
+	struct cmp_connection *conn;
+	bool used;
+	int err;
+
+	if (s == &efw->tx_stream)
+		conn = &efw->out_conn;
+	else
+		conn = &efw->in_conn;
+
+	err = cmp_connection_check_used(conn, &used);
+	if ((err >= 0) && used && !amdtp_stream_running(s)) {
+		dev_err(&efw->unit->device,
+			"Connection established by others: %cPCR[%d]\n",
+			(conn->direction == CMP_OUTPUT) ? 'o' : 'i',
+			conn->pcr_index);
+		err = -EBUSY;
+	}
+
+	return err;
+}
+
+int snd_efw_stream_init_duplex(struct snd_efw *efw)
+{
+	int err;
+
+	err = init_stream(efw, &efw->tx_stream);
+	if (err < 0)
+		goto end;
+
+	err = init_stream(efw, &efw->rx_stream);
+	if (err < 0)
+		goto end;
+
+	/* set IEC61883 compliant mode */
+	err = snd_efw_command_set_tx_mode(efw, SND_EFW_TRANSPORT_MODE_IEC61883);
+end:
+	return err;
+}
+
+int snd_efw_stream_start_duplex(struct snd_efw *efw,
+				struct amdtp_stream *request,
+				int rate)
+{
+	struct amdtp_stream *master, *slave;
+	enum cip_flags sync_mode;
+	unsigned int curr_rate;
+	bool slave_flag;
+	int err;
+
+	mutex_lock(&efw->mutex);
+
+	err = get_roles(efw, &sync_mode, &master, &slave);
+	if (err < 0)
+		goto end;
+
+	/*
+	 * Considering JACK/FFADO streaming:
+	 * TODO: This can be removed hwdep functionality becomes popular.
+	 */
+	err = check_connection_used_by_others(efw, master);
+	if (err < 0)
+		goto end;
+
+	/* need to touch slave stream */
+	slave_flag = (request == slave) || amdtp_stream_running(slave);
+
+	/* packet queueing error */
+	if (amdtp_streaming_error(slave))
+		stop_stream(efw, slave);
+	if (amdtp_streaming_error(master))
+		stop_stream(efw, master);
+
+	/* stop streams if rate is different */
+	err = snd_efw_command_get_sampling_rate(efw, &curr_rate);
+	if (err < 0)
+		goto end;
+	if (rate == 0)
+		rate = curr_rate;
+	if (rate != curr_rate) {
+		stop_stream(efw, slave);
+		stop_stream(efw, master);
+	}
+
+	/* master should be always running */
+	if (!amdtp_stream_running(master)) {
+		amdtp_stream_set_sync(sync_mode, master, slave);
+
+		err = snd_efw_command_set_sampling_rate(efw, rate);
+		if (err < 0)
+			goto end;
+
+		err = start_stream(efw, master, rate);
+		if (err < 0) {
+			dev_err(&efw->unit->device,
+				"fail to start AMDTP master stream:%d\n", err);
+			goto end;
+		}
+	}
+
+	/* start slave if needed */
+	if (slave_flag && !amdtp_stream_running(slave)) {
+		err = start_stream(efw, slave, rate);
+		if (err < 0) {
+			dev_err(&efw->unit->device,
+				"fail to start AMDTP slave stream:%d\n", err);
+			stop_stream(efw, master);
+		}
+	}
+end:
+	mutex_unlock(&efw->mutex);
+	return err;
+}
+
+int snd_efw_stream_stop_duplex(struct snd_efw *efw)
+{
+	struct amdtp_stream *master, *slave;
+	enum cip_flags sync_mode;
+	unsigned int slave_substreams;
+	int err;
+
+	mutex_lock(&efw->mutex);
+
+	err = get_roles(efw, &sync_mode, &master, &slave);
+	if (err < 0)
+		goto end;
+
+	if (slave == &efw->tx_stream)
+		slave_substreams = efw->capture_substreams;
+	else
+		slave_substreams = efw->playback_substreams;
+
+	if (slave_substreams > 0)
+		goto end;
+
+	stop_stream(efw, slave);
+
+	if ((efw->capture_substreams > 0) || (efw->playback_substreams > 0))
+		goto end;
+
+	stop_stream(efw, master);
+end:
+	mutex_unlock(&efw->mutex);
+	return err;
+}
+
+void snd_efw_stream_update_duplex(struct snd_efw *efw)
+{
+	if ((cmp_connection_update(&efw->out_conn) < 0) ||
+	    (cmp_connection_update(&efw->in_conn) < 0)) {
+		amdtp_stream_pcm_abort(&efw->rx_stream);
+		amdtp_stream_pcm_abort(&efw->tx_stream);
+		mutex_lock(&efw->mutex);
+		stop_stream(efw, &efw->rx_stream);
+		stop_stream(efw, &efw->tx_stream);
+		mutex_unlock(&efw->mutex);
+	} else {
+		amdtp_stream_update(&efw->rx_stream);
+		amdtp_stream_update(&efw->tx_stream);
+	}
+}
+
+void snd_efw_stream_destroy_duplex(struct snd_efw *efw)
+{
+	mutex_lock(&efw->mutex);
+
+	amdtp_stream_pcm_abort(&efw->rx_stream);
+	amdtp_stream_pcm_abort(&efw->tx_stream);
+
+	stop_stream(efw, &efw->tx_stream);
+	cmp_connection_destroy(&efw->out_conn);
+
+	stop_stream(efw, &efw->rx_stream);
+	cmp_connection_destroy(&efw->in_conn);
+
+	mutex_unlock(&efw->mutex);
+}
-- 
1.8.3.2


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  parent reply	other threads:[~2014-03-21 11:10 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-21 11:09 [PATCH 00/44 v3] Enhancement of support for Firewire devices Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 01/44] firewire-lib: Add macros instead of fixed value for AMDTP Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 02/44] firewire-lib: Add 'direction' member to 'amdtp_stream' structure Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 03/44] firewire-lib: Split some codes into functions to reuse for both streams Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 04/44] firewire-lib: Add support for AMDTP in-stream and PCM capture Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 05/44] firewire-lib: Add support for MIDI capture/playback Takashi Sakamoto
2014-04-02 19:29   ` Clemens Ladisch
2014-04-02 19:42     ` [FFADO-devel] " Adrian Knoth
2014-04-02 19:58       ` Clemens Ladisch
2014-04-02 20:37         ` [FFADO-devel] [alsa-devel] " Jano Svitok
2014-04-03  8:33     ` Takashi Sakamoto
2014-04-03  8:54       ` Clemens Ladisch
2014-04-03 10:08         ` Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 06/44] firewire-lib: Give syt value as parameter to handle_out_packet() Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 07/44] firewire-lib: Add support for duplex streams synchronization in blocking mode Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 08/44] firewire-lib: Add support for channel mapping Takashi Sakamoto
2014-04-02 20:18   ` Clemens Ladisch
2014-04-03  8:37     ` Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 09/44] firewire-lib: Restrict calling flush_context_completion() when context exists Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 10/44] firewire-lib: Rename macros, variables and functions for CMP Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 11/44] firewire-lib: Add 'direction' member to 'cmp_connection' structure Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 12/44] firewire-lib: Add handling output connection by CMP Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 13/44] firewire-lib: Add a new function to check others' connection Takashi Sakamoto
2014-03-21 11:09 ` [PATCH 14/44] firewire-lib: Add support for deferred transaction Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 15/44] firewire-lib: Add some AV/C general commands Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 16/44] fireworks: Add skelton for Fireworks based devices Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 17/44] fireworks: Add transaction and some commands Takashi Sakamoto
2014-04-03 20:15   ` Clemens Ladisch
2014-04-04  4:08     ` Takashi Sakamoto
2014-03-21 11:10 ` Takashi Sakamoto [this message]
2014-04-03 20:56   ` [PATCH 18/44] fireworks: Add connection and stream management Clemens Ladisch
2014-04-04 14:22     ` Takashi Sakamoto
2014-04-04 15:05       ` [alsa-devel] " Clemens Ladisch
2014-04-06 13:20         ` Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 19/44] fireworks/firewire-lib: Add a quirk for empty packet with TAG0 Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 20/44] fireworks/firewire-lib: Add a quirk for the meaning of dbc Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 21/44] fireworks/firewire-lib: Add a quirk for wrong dbs in tx packets Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 22/44] fireworks/firewire-libs: Add a quirk for fixed interval of reported dbc Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 23/44] fireworks: Add proc interface for debugging purpose Takashi Sakamoto
2014-04-03 21:16   ` [alsa-devel] " Clemens Ladisch
2014-04-04 11:16     ` Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 24/44] fireworks: Add MIDI interface Takashi Sakamoto
2014-04-03 21:20   ` [alsa-devel] " Clemens Ladisch
2014-04-06 12:03     ` Takashi Sakamoto
2014-04-06 14:52       ` Clemens Ladisch
2014-04-07 12:59         ` Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 25/44] fireworks/firewire-lib: Add a quirk for data blocks for MIDI in out-stream Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 26/44] fireworks: Add PCM interface Takashi Sakamoto
2014-04-04  8:48   ` Clemens Ladisch
2014-04-06 12:44     ` Takashi Sakamoto
2014-04-06 14:52       ` [alsa-devel] " Clemens Ladisch
2014-04-07  7:20         ` Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 27/44] fireworks: Add hwdep interface Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 28/44] fireworks: Add command/response functionality into " Takashi Sakamoto
2014-04-04  9:31   ` Clemens Ladisch
2014-04-04 11:11     ` Takashi Sakamoto
2014-04-04 12:15       ` [alsa-devel] " Clemens Ladisch
2014-04-08  2:45         ` Takashi Sakamoto
2014-04-04 15:13   ` Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 29/44] bebob: Add skelton for BeBoB based devices Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 30/44] bebob: Add commands and connections/streams management Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 31/44] bebob/firewire-lib: Add a quirk for discontinuity at bus reset Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 32/44] bebob: Add proc interface for debugging purpose Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 33/44] bebob: Add MIDI interface Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 34/44] bebob: Add PCM interface Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 35/44] bebob: Add hwdep interface Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 36/44] bebob: Prepare for device specific operations Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 37/44] bebob: Add support for Terratec PHASE, EWS series and Aureon Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 38/44] bebob: Add support for Yamaha GO series Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 39/44] bebob: Add support for Focusrite Saffire/SaffirePro series Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 40/44] bebob: Add support for M-Audio usual Firewire series Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 41/44] bebob: Add support for M-Audio special " Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 42/44] bebob/firewire-lib: Add a quirk of wrong dbc in empty packet " Takashi Sakamoto
2014-03-23  2:16   ` Takashi Sakamoto
2014-03-24  1:41     ` [FFADO-devel] " Euan de Kock
2014-03-24  2:52       ` Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 43/44] bebob: Send a cue to load firmware for M-Audio " Takashi Sakamoto
2014-03-21 11:10 ` [PATCH 44/44] firewire/bebob: Add a workaround for M-Audio special " Takashi Sakamoto
2014-04-02 11:15 ` [PATCH 00/44 v3] Enhancement of support for Firewire devices Takashi Sakamoto
2014-04-03 19:17 ` David Henningsson
2014-04-04  7:04   ` Takashi Iwai

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